# This file is part of The Vu Toolkit.
#
# The Vu Toolkit is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 3.0 of the License, or (at your option) any later version.
#
# The Vu Toolkit is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with The Vu Toolkit; if not, write to the Free
# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
# 02111-1307 USA.
#
# Copyright © Zak Fenton 2008
#

module Vu::SVG

	# The root of an SVG document ("svg" element)
	class SVG < Group
		include XYWidthHeight
		include ViewBox
		
		def bounds_modified
		end
		
		def render_to_cairo (c)
			apply_view_box_to_cairo(c)
			super(c)
		end
		
		# Paints the SVG document to a bitmap buffer then saves it as a PNG
		def write_to_png (f)
			puts "SVG size in px = #{width} x #{height}"
			s = Cairo::ImageSurface.new(width,height)
			c = Cairo::Context.new(s)
			render_to_cairo(c)
			s.write_to_png(f)
		end
	end
end

